Halimah Mohamed Kamari
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View article: Usability of University Websites as Information Sources: A Review and Synthesis Based on 2021 Publications Indexed in Scopus Database
Usability of University Websites as Information Sources: A Review and Synthesis Based on 2021 Publications Indexed in Scopus Database Open
Universities' identities and institutional images are showcased on their websites to the rest of the world. Nowadays, many university websites (UW)s have been well-investigated for usability improvement for all users in general. This study…
View article: Determinant of Glass Material’s Parameters for Fiber Optic Application Durability
Determinant of Glass Material’s Parameters for Fiber Optic Application Durability Open
The aim of this study was to determine the principle cause of variation in a measured glass durability using a melt-quenching method. Further goal for this study was to find the optimum level of the factor for producing the glass durabilit…
View article: Comparison Study of Elastic, Physical and Structural Properties for Strontium Oxide and Manganese Oxide in Borotellurite Glasses for High Strength Glass Application
Comparison Study of Elastic, Physical and Structural Properties for Strontium Oxide and Manganese Oxide in Borotellurite Glasses for High Strength Glass Application Open
In this research the melt quenching technique method was used to synthesize two series of borotellurite glass systems doped with manganese and strontium. Elastic measurement, X-Ray Diffraction and Fourier Transform Infrared spectroscopy we…
View article: Comprehensive Comparison on Optical Properties of Samarium Oxide (Micro/nano) Particles Doped Tellurite Glass for Optoelectronics Applications
Comprehensive Comparison on Optical Properties of Samarium Oxide (Micro/nano) Particles Doped Tellurite Glass for Optoelectronics Applications Open
Rare-earth oxides microparticles doped tellurite-based glass have been studied extensively to improve the capability of optoelectronic devices. We report a detailed comparison between two sets of glass series containing samarium microparti…
View article: Influence of Calcination Temperature on Crystal Growth and Optical Characteristics of Eu3+ Doped ZnO/Zn2SiO4 Composites Fabricated via Simple Thermal Treatment Method
Influence of Calcination Temperature on Crystal Growth and Optical Characteristics of Eu3+ Doped ZnO/Zn2SiO4 Composites Fabricated via Simple Thermal Treatment Method Open
This research paper proposes the usage of a simple thermal treatment method to synthesis the pure and Eu3+ doped ZnO/Zn2SiO4 based composites which undergo calcination process at different temperatures. The effect of calcination temperatur…
View article: Impact of Dy2O3 Substitution on the Physical, Structural and Optical Properties of Lithium–Aluminium–Borate Glass System
Impact of Dy2O3 Substitution on the Physical, Structural and Optical Properties of Lithium–Aluminium–Borate Glass System Open
In this study, a series of Li2O-Al2O3-B2O3 glasses doped with various concentrations of Dy2O3 (where x = 0.0, 0.2, 0.4, 0.6, 0.8, and 1.0 mol%) were prepared by using a conventional melt-quenching technique. The structural, physical and op…
View article: Artificial neural network prediction on ultrasonic performance of bismuth-tellurite glass compositions
Artificial neural network prediction on ultrasonic performance of bismuth-tellurite glass compositions Open
Artificial neural networks (ANN) is known as one of the artificial intelligence tools which are inspired by the biological nerve system, have a capability to predict the physical and elastic parameter of glasses without melting the raw mat…
View article: Surface Plasmon Resonance Sensor Based on Polypyrrole–Chitosan–BaFe2O4 Nanocomposite Layer to Detect the Sugar
Surface Plasmon Resonance Sensor Based on Polypyrrole–Chitosan–BaFe2O4 Nanocomposite Layer to Detect the Sugar Open
The surface plasmon resonance sensor was used to detect and measure low concentrations of sugar. A polypyrrole–chitosan–BaFe2O4 nanocomposite layer was prepared to improve the surface of the gold layer for the detection of glucose, fructos…
View article: Morphological, structural and optical behaviour of PVA capped binary (NiO)0.5 (Cr2O3)0.5 nanoparticles produced via single step based thermal technique
Morphological, structural and optical behaviour of PVA capped binary (NiO)0.5 (Cr2O3)0.5 nanoparticles produced via single step based thermal technique Open
In this research study, a thermal treatment approach based on a novel single-step has been utilised to addresses the synthesis of binary NiO0.5 Cr2O30.5 nanoparticles. Characteristics of these binary metal oxide nanoparticles were examined…
View article: The Effect of PVP Concentration on Particle Size, Morphological and Optical Properties of Cassiterite Nanoparticles
The Effect of PVP Concentration on Particle Size, Morphological and Optical Properties of Cassiterite Nanoparticles Open
Different concentrations of polyvinylpyrrolidone (PVP) have been successfully employed to prepare high purity tetragonal cassiterite nanoparticles, and control the growth of particle size. The effect of PVP on the structural, morphological…
View article: Determination of Thermal Diffusivity of Polypyrrole and Polypyrrole/Bismuth Oxide Conducting Polymers using Laser Flash Technique
Determination of Thermal Diffusivity of Polypyrrole and Polypyrrole/Bismuth Oxide Conducting Polymers using Laser Flash Technique Open
The determination of conducting polymer’s thermal properties is essential in engineering processes and design. Thermal diffusivity is one of the important thermal properties in non-steady state situations. This fundamental knowledge is use…
View article: Effect of heat treatment temperature to the crystal growth and optical performance of Mn3O4 doped α-Zn2SiO4 based glass-ceramics
Effect of heat treatment temperature to the crystal growth and optical performance of Mn3O4 doped α-Zn2SiO4 based glass-ceramics Open
In this work, manganese (II, III) oxide, (Mn3O4) doped zinc soda lime silica glasses have been synthesized using a conventional melt-quenching process and followed by control heat treatment process. The crystal phase composition and optica…
View article: Fabrication and characterization of Manganese–Zinc Ferrite nanoparticles produced utilizing heat treatment technique
Fabrication and characterization of Manganese–Zinc Ferrite nanoparticles produced utilizing heat treatment technique Open
In this research, the thermal treatment technique has been employed to produce Mn0.5Zn0.5Fe2O4 nanoparticles. Manganese, Zinc and iron nitrates have been mixed with capping agent of polyvinylpyrrolidone. Several techniques have been used t…
View article: The Structural, Physical and Optical Properties of Borotellurite Glasses Incorporated with Silica from Rice Husk
The Structural, Physical and Optical Properties of Borotellurite Glasses Incorporated with Silica from Rice Husk Open
From the agricultural waste of rice (rice husk), high purity SiO2 with about 98.548 % purity was extracted using a very simple room temperature leaching method. Using the rice husk extracted silicate, a system of silicate borotellurite gla…
View article: The Physical and Optical Studies of Erbium Doped Borosilicate Glass
The Physical and Optical Studies of Erbium Doped Borosilicate Glass Open
A glass series of erbium doped zinc borosilicate glass system was prepared by using the melt-quenching method. The absorption spectra revealed several bands at visible range which correspond to the following transitions (from the ground st…
View article: Physical and Shielding Protection Parameterization of PbO-ZnO-B<sub>2</sub>O<sub>3</sub>-SiO<sub>2</sub> Glass Network
Physical and Shielding Protection Parameterization of PbO-ZnO-B<sub>2</sub>O<sub>3</sub>-SiO<sub>2</sub> Glass Network Open
Glass series of quaternary lead-zinc-borosilicate glass was fabricated using melt-quenching method. It was successfully prepared using silicon dioxide (SiO2 99.37 %) as the network former, which was obtains from rice husk ash (RHA). The th…
View article: Thermal Calcination-Based Production of SnO2 Nanopowder: An Analysis of SnO2 Nanoparticle Characteristics and Antibacterial Activities
Thermal Calcination-Based Production of SnO2 Nanopowder: An Analysis of SnO2 Nanoparticle Characteristics and Antibacterial Activities Open
SnO2 nanoparticle production using thermal treatment with tin(II) chloride dihydrate and polyvinylpyrrolidone capping agent precursor materials for calcination was investigated. Samples were analyzed using X-ray diffraction (XRD), Scanning…
View article: Synthesis and characterization of binary (CuO)0.6(CeO2)0.4 nanoparticles via a simple heat treatment method
Synthesis and characterization of binary (CuO)0.6(CeO2)0.4 nanoparticles via a simple heat treatment method Open
A binary (CuO)0.6 (CeO2)0.4 nanoparticles were prepared via thermal treatment method, using copper nitrate, cerium nitrate as precursors, PVP as capping agent and de-ionized water as a solvent. The structures, morphology, composition of th…
View article: Structural and Optical Properties of Zinc Borotellurite Glass Co-Doped with Lanthanum and Silver Oxide
Structural and Optical Properties of Zinc Borotellurite Glass Co-Doped with Lanthanum and Silver Oxide Open
A series of zinc borotellurite glass co-doped with lanthanum and silver oxide with the chemical formula of [{[(TeO2)0.7(B2O3)0.3]0.7(ZnO)0.3}0.96(La2O3)0.04]1-x(Ag2O)x where the molar frac-tion of silver oxide, x = 0.02, 0.04, 0.06, 0.08 a…
View article: Down-top nanofabrication of binary (CdO)<sub>x</sub>&nbsp;<br />(ZnO)<sub>1-x</sub>&nbsp;nanoparticles and their antibacterial activity
Down-top nanofabrication of binary (CdO)<sub>x</sub> (ZnO)<sub>1-x</sub> nanoparticles and their antibacterial activity Open
In the present study, binary oxide (cadmium oxide [CdO])x (zinc oxide [ZnO])1-x nanoparticles (NPs) at different concentrations of precursor in calcination temperature were prepared using thermal treatment technique. Cadmium and zinc nitra…
View article: Comprehensive study of electronic polarizability and band gap of B<sub>2</sub>O<sub>3</sub>–Bi<sub>2</sub>O<sub>3</sub>–ZnO–SiO<sub>2</sub> glass network
Comprehensive study of electronic polarizability and band gap of B<sub>2</sub>O<sub>3</sub>–Bi<sub>2</sub>O<sub>3</sub>–ZnO–SiO<sub>2</sub> glass network Open
Quaternary glasses were successfully fabricated using melt quenching technique based on the chemical compound composition ([Formula: see text])Bi 2 O 3 –([Formula: see text]) ZnO–(0.2)B 2 O 3 –(0.3)SiO 2 , where ([Formula: see text], 0.2, …
View article: Comprehensive Study on Elastic Moduli Prediction and Correlation of Glass and Glass Ceramic Derived from Waste Rice Husk
Comprehensive Study on Elastic Moduli Prediction and Correlation of Glass and Glass Ceramic Derived from Waste Rice Husk Open
Zinc silicate (ZnO–SiO 2 ) systems were fabricated using zinc oxide (ZnO) and white rice husk ash (WRHA) with compositions of (ZnO) x (WRHA) 1− x ( = 0.55, 0.60, 0.65, and 0.70 wt.%) was symbolized by S1, S2, S3, and S4, respectively. The …
View article: Linear Optical Properties of Zinc Borotellurite Glass Doped with Lanthanum Oxide Nanoparticles for Optoelectronic and Photonic Application
Linear Optical Properties of Zinc Borotellurite Glass Doped with Lanthanum Oxide Nanoparticles for Optoelectronic and Photonic Application Open
Enhancing the optical properties of glasses for the sake of optical application in various fields is an ongoing challenge in materials science and technology. Thus, the optical properties of zinc borotellurite glass doped with lanthanum ox…
View article: Preparation of Zeolite/Zinc Oxide Nanocomposites for toxic metals removal from water
Preparation of Zeolite/Zinc Oxide Nanocomposites for toxic metals removal from water Open
This research work has proposed preparation of Zeolite/Zinc Oxide Nanocomposite (Zeolite/ZnO NCs) by using a co-precipitation method. Then, the prepared Nanocomposite has been tested for adsorption of Lead Pb (II) and Arsenic As (V) from a…
View article: Synthesis and characterization of CdSe nanoparticles via thermal treatment technique
Synthesis and characterization of CdSe nanoparticles via thermal treatment technique Open
The synthesis of CdSe nanoparticles was undertaken via the thermal treatment method at varying calcination temperatures from 450 to 700 °C in alternate oxygen and nitrogen environment. Selenium powder was dissolved in ethylenediamine at 20…
View article: Simple synthesis of ZnSe nanoparticles by thermal treatment and their characterization
Simple synthesis of ZnSe nanoparticles by thermal treatment and their characterization Open
A simple thermal treatment was used to synthesize ZnSe nanoparticles at different calcination temperatures in a nitrogen flowing. The samples of ZnSe nanoparticles were prepared by reacting zinc nitrate (source of zinc) and selenium powder…
View article: From rice husk to transparent radiation protection material / Iskandar Shahrim Mustafa... [et al.]
From rice husk to transparent radiation protection material / Iskandar Shahrim Mustafa... [et al.] Open
High amount of silica (SiO2) content, 99.36% was successfully prepared from Rice Husk Ash (RHA) through the burning of rice husk. Eventually, quaternary glasses were fabricated using melt quenching technique based on chemical compound comp…
View article: Effect of MnO<sub>2</sub>doping and temperature treatment on optical energy band gap properties in Zn-Bi-Ti-O varistor ceramics
Effect of MnO<sub>2</sub>doping and temperature treatment on optical energy band gap properties in Zn-Bi-Ti-O varistor ceramics Open
In this study, the optical band-gap energy (Eg) was investigated with respect to MnO2 and sintering temperatures on ZnO based varistor ceramics. Eg of the ceramic (99-x) mol% ZnO + 0.5 mol% Bi2O3 + 0.5 mol% TiO2 + × MnO2 where × = 0, 0.2, …